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Nissan On Gasoline Engine Breakthrough: Diesel Obsolete

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Nissan Motor Company has announced a new type of gasoline engine that uses new technology so successful that it might make some of the most advanced diesel engines on today’s market obsolete.

By Bertel Schmitt (BsBsBs) - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=30184239
By Bertel Schmitt (BsBsBs) – Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=30184239

According to the engineers at Nissan, the variable combustion method they are applying will make the rate of combustion controllable to such a degree that it will become possible to choose the optimal settings at any given time. This is important because of the principles behind the combustion engine, like all things in life, there are ultimately 2 choices, and in the case of the gasoline engine; Power / Efficiency.

According to reuters.com, Nissan expects to release the engine in France, at the Paris Motorshow running between 1st – 18th of october this year. If you are going to be there, look out for the engine named Variable Compression Turbo (VC-T) powertrain. Take a look at the engine below, pretty isn’t it?

Courtesy of Nissan Pressroom: https://newsroom.nissan-global.com/releases/infiniti-vc-t-the-worlds-first-production-ready-variable-compression-ratio-engine

The engine is advertised as being with turbocharge, 2.0 liter engine, 4 cylinders, and the main highlight is that the VC-T engine is claimed to perform with a more than 25% better fuel efficiency than its predecessor, and about the same amont of torque.

This excerpt is taken from Nissans Pressroom:

VC-T technology signifies a new chapter in the story of the internal combustion engine – engines are no longer limited by a fixed compression ratio. The ingenuity of VC-T engine technology lies in its ability to transform itself and seamlessly raise or lower the height the pistons reach. As a consequence, the displacement of the engine changes and the compression ratio can vary anywhere between 8:1 (for high performance) and 14:1 (for high efficiency). The sophisticated engine control logic automatically applies the optimum ratio, depending on what the driving situation demands.

By having a minute level of control over the combustion rate, programming software to delicately and swiftly act as a 6 cylinder maestro of the highest quality becomes an easy task for any engineer, and Nissan expects to achieve groundbreaking results.

In theory Nissan believes that we can retain the power we know and love from the gasoline engine, but the economical benefits of driving diesel can now also be had with the gasoline. So does this spell the end of diesel?

Featured image belongs to Nissan Press Kit

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